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  1. def sqr_digit_sum(n)
  2.  
  3.   square = (n ** 2).to_s
  4.   no_of_digits = square.size
  5.  
  6.   sum = 0
  7.   i = 0
  8.  
  9.   while i < no_of_digits
  10.     sum += square[i].to_i
  11.     i += 1
  12.   end
  13.  
  14.   puts sum
  15. end
  16.  
  17. sqr_digit_sum(9)
Success #stdin #stdout 0.01s 7452KB
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9
https://ideone.com/Zro1OW
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
secret

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